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Patents > CPCs : CPC B63H11/12 or CPC B64C13/00 & Number of figures: 9-13

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airplane (13) · stability (11) · control (8) · rudder (6) · None (5) · steering (5) · navigation (4) · frame (4) · flying machine (2) · wing warping (2) · subsystem (2) · propulsion (2) · Propellers (2) · landing (2) · wings (2) · biplane (2) · aileron (2) · automatic stability (2)
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